Hello everyone, 

Please excuse me if this topic has been covered already. I've not managed to 
find a guide, checklist or even a set of notes on optimising OS level 
settings/configuration/services for running ceph. One of the main reasons for 
asking is I've recently had to troubleshoot a bunch of slow requests that were 
taking place in the morning after i've added a new node to our small ceph 
cluster. It seems that the mlocate service, which is enabled by default on 
Ubuntu LTS servers was causing the slow requests. 

Therefore, I am asking the community if anyone has created and willing to share 
the check list of things to do after installing a new server which will be used 
as a part of a new or existing ceph cluster? If this document doesn't exist, 
does it make sense to add it to the ceph installation document? 

Many thanks 

Andrei 
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